Tides Today & Tomorrow in Key Biscayne, Biscayne Bay, FL

TIDE TIMES for Thursday, June 25, 2026
The tide is currently falling in Key Biscayne, Biscayne Bay, FL.
Next low tide : in 11m at 1:06 am (0.4 ft)
Next high tide : 6:30 am (1.7 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:31 am
Moon phase : Waxing Gibbous (84% illuminated)
Tide Station Location : Station #8723232
Common Questions About Tides

Key Biscayne, Biscayne Bay, FL Tides - Nov 2039

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:232.710:282.54:300.24:550.57:286:39Full Moon1Tue
2Wed11:002.611:042.45:070.35:330.67:296:38Full Moon2Wed
3Thu11:372.511:402.35:430.36:100.77:306:38Waning Gibbous3Thu
4Fri12:152.46:190.46:470.87:306:37Waning Gibbous4Fri
5Sat12:182.212:562.36:570.57:270.97:316:36Waning Gibbous5Sat
6Sun12:582.112:402.26:380.67:120.96:325:36Waning Gibbous6Sun
7Mon12:442.11:282.27:250.78:051.06:325:35Third Quarter7Mon
8Tue1:362.02:222.18:200.89:051.06:335:35Third Quarter8Tue
9Wed2:362.03:182.19:230.810:070.96:345:34Third Quarter9Wed
10Thu3:402.04:152.210:260.811:030.76:345:34Third Quarter10Thu
11Fri4:432.15:092.211:250.711:540.56:355:33Waning Crescent11Fri
12Sat5:412.35:592.312:180.66:365:33Waning Crescent12Sat
13Sun6:352.56:482.412:410.31:080.46:375:32Waning Crescent13Sun
14Mon7:262.67:362.51:280.11:560.36:375:32New Moon14Mon
15Tue8:162.88:242.62:14-0.12:440.26:385:32New Moon15Tue
16Wed9:052.89:132.63:01-0.23:330.26:395:31New Moon16Wed
17Thu9:562.910:032.63:50-0.34:220.26:395:31New Moon17Thu
18Fri10:472.810:552.64:41-0.35:140.36:405:31Waxing Crescent18Fri
19Sat11:412.711:512.55:34-0.26:090.36:415:30Waxing Crescent19Sat
20Sun12:362.66:320.07:100.46:425:30Waxing Crescent20Sun
21Mon12:512.41:352.57:350.18:160.56:425:30First Quarter21Mon
22Tue1:552.32:362.48:420.39:230.56:435:30First Quarter22Tue
23Wed3:032.23:382.39:500.410:280.46:445:29First Quarter23Wed
24Thu4:102.24:372.310:540.411:260.36:445:29First Quarter24Thu
25Fri5:132.35:322.311:520.56:455:29Waxing Gibbous25Fri
26Sat6:092.36:212.212:180.312:440.56:465:29Waxing Gibbous26Sat
27Sun6:582.47:052.21:040.21:300.46:475:29Waxing Gibbous27Sun
28Mon7:422.47:462.21:460.12:130.46:475:29Full Moon28Mon
29Tue8:212.48:242.22:260.12:530.46:485:29Full Moon29Tue
30Wed8:592.49:012.23:040.13:310.46:495:29Full Moon30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8723232)

Common Questions About Key Biscayne, Biscayne Bay, FL Tides

Show All
What time does the tide turn (slack tide) in Key Biscayne, Biscayne Bay, FL today?

Slack tide in Key Biscayne, Biscayne Bay, FL is approximately 3:48 am — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Key Biscayne, Biscayne Bay, FL?

Key Biscayne, Biscayne Bay, FL is currently in a spring phase. Tonight's moon is 84% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are near their weekly maximum.

What datum are Key Biscayne, Biscayne Bay, FL tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Key Biscayne, Biscayne Bay, FL?

Tide predictions for Key Biscayne, Biscayne Bay, FL come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Key Biscayne, Biscayne Bay, FL?

Tide data for Key Biscayne, Biscayne Bay, FL is sourced from NOAA Station #8723232. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8723232.

What is the moon phase in Key Biscayne, Biscayne Bay, FL tonight?

Tonight the moon over Key Biscayne, Biscayne Bay, FL is Waxing Gibbous (84% illuminated). This places Key Biscayne, Biscayne Bay, FL in a spring tide cycle, so tidal ranges are near their weekly maximum this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA